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Question Answer
What dermatologic conditions are closely associated with sun exposure? (4)
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Actinic kurtosis Basal cell carcinoma Malignant melanoma Squamous cell carcinoma
______ is a major factor in the development of sunburn and non-melanoma skin cancer.
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UVB
______ contributes to the carcinogenic effects of UVB.
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UVA
_______ is the sun wavelength that does not reach the earth because it is blocked by the atmosphere.
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UVC
Why are fair skinned people more at risk for injury related to sun exposure?
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They naturally have less melanin and therefore less protection
When is the worst time to be out in the sun?
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10:00-2:00 EST/11:00-3:00 DST
T/F Being in the snow increases the chances of getting a sunburn
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TRUE
T/F Sunscreen can block all UVA and UVB rays and therefore should be considered effective protection.
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False. There is no sunscreen that blocks all UVA rays
What is the difference between chemical and physical sunscreens?
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Chemical sunscreens- they are light creams/lotions designed to absorb or filter UV light Physical sunscreens-Thick, heavy creams that reflect UV radiation as well as all visible light
PABA is a chemical that blocks _______ rays, however it has been removed from many sunscreens due to allergic reactions and the fact it stained clothes.
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UVB
Parsol blocks _____ rays and has been added to most sunscreens.
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UVA
Benzophenones , found in sunscreen, blocks _______ rays.
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UVA/UVB
What wording on sunscreen indicates that it reflects or absorbs both UVA and UVB rays (particularly UVB)?
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Broad spectrum
Sunscreens should be applied ________ before going outdoors and reapplied every _________.
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Should be applied 20-30 minutes before going outdoors and reapplied every 2-3 hours
What races have lower incidences of skin cancer than whites?
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African Americans and Native Americans
T/F Melanoma does not occur in dark skinned people because of their natural protection from increased melanin.
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False. They do get melanoma, but it is often goes unrecognized until it is in the advanced stages
T/F Benadryl can cause photosensitivity.
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TRUE
What groups of drugs are known for causing photosensitivities?
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Anticancer drugs, Antidepressants, Antidysrhythmics, antihistamines, antimicrobials, antifungals, antipsychotics, diuretics, hypoglycemics, NSAIDS
What is the difference between irritant contact dermatitis and allergic contact dermatitis?
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Irritant Contact Dermatitis-caused by direct chemical injury to the skin Allergic Contact Dermatitis-antigen-specific, Type IV delayed hypersensitivity response
Why is it important for a nurse to know if a patient had been treated with radiation for cystic acne 30 years ago?
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These patients have an increased incidence of basal cell carcinoma
How does a deficiency of vitamin A impact skin condition?
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It causes dryness of the conjunctiva and poor wound healing
Vitamin ____ is essential for maintenance of normal skin cell structure, specifically epithelial cells. It is necessary for wound healing.
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A
Vitamin ______ is essential for complex metabolic functions.
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B complex
How does a deficiency in the B vitamins impact skin condition?
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It can cause dermatologic conditions like erythema, bullae, and seborrhea-like lesions
Vitamin ______ is essential for connective tissue formation and normal wound healing.
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C
Vitamin _____ deficiency can cause symptoms of scurvy including petechiae, bleeding gums and purpura.
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C
Vitamin ______ is essential for synthesizing blood clotting factors.
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K
A deficiency of vitamin ______ can lead to bruising due to abnormal prothrombin synthesis in the liver.
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K
________ is necessary in the diet for adequate cell growth and maintenance. It is also necessary for wound healing.
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Protein
________ is necessary to maintain the function and integrity of cellular and subcellular membranes in tissue metabolism.
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Unsaturated fatty acids, especially linoleic and arachidonic acid


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